Shareholders Equity (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Beginning Balance, Amount	$ 25,950	$ 21,646	$ 21,646
Stock-based compensation expense	59	67
Issuance Of Shares - Option Exercises	14
Net Loss	(730)	(380)
Ending Balance, Amount	25,293	21,333	25,950
Common Stock [Member]
Beginning Balance, Amount	796	648	648
Stock-based compensation expense	0	0
Issuance Of Shares - Option Exercises	0
Net Loss	0	0
Ending Balance, Amount	$ 796	$ 648	$ 796
Beggining Balance, Shares	79,586,358	64,801,373	64,801,373
Issuance of shares- option exercises, shares	50,000
Ending Balance, Shares	79,636,358	64,801,373	79,586,358
Additional Paid-in Capital [Member]
Beginning Balance, Amount	$ 82,796	$ 74,886	$ 74,886
Stock-based compensation expense	59	67
Issuance Of Shares - Option Exercises	14
Net Loss	0	0
Ending Balance, Amount	82,869	74,953	82,796
Accumulated Deficit [Member]
Beginning Balance, Amount	(57,642)	(53,888)	(53,888)
Stock-based compensation expense	0	0
Issuance Of Shares - Option Exercises	0
Net Loss	(730)	(380)
Ending Balance, Amount	$ (58,372)	$ (54,268)	$ (57,642)